S250GD Galvanized Steel
S250GD Galvanized Steel represents a practical and reliable structural material designed to meet modern construction and industrial demands. Understanding what S250GD grade steel means requires looking beyond its name and into its specifications, performance characteristics, and real-world applications. As a galvanized structural steel under EN 10346, S250GD Galvanized Steel is engineered to deliver dependable strength, excellent corrosion resistance, and stable processing behavior.
The minimum yield strength of 250 MPa ensures that S250GD Galvanized Steel can support moderate structural loads, while the zinc coating protects the steel surface from corrosion in both indoor and outdoor environments. This combination allows the material to perform well over long service periods with minimal maintenance.
S250GD Galvanized Steel is available in various thicknesses and widths to meet different engineering requirements.
Common Thickness and Width Range
| Thickness (mm) | Width (mm) | Supply Form |
|---|---|---|
| 0.3–1.0 | 600–1250 | Coil |
| 1.0–2.0 | 800–1500 | Coil / Sheet |
| 2.0–3.0 | Customized | Sheet |
Zinc Coating and Surface Finish Options
| Coating | Zinc Weight (g/m²) | Surface Finish |
|---|---|---|
| Z120 | 120 | Regular spangle |
| Z180 | 180 | Minimized spangle |
| Z275 | 275 | Zero spangle |
These options allow S250GD Galvanized Steel to adapt to both functional and decorative requirements.
Processing Performance and Fabrication
One of the key reasons engineers choose S250GD Galvanized Steel is its stable processing behavior. The steel can be easily cut, punched, bent, and welded using standard equipment. Its balanced chemical composition reduces the risk of cracking during forming, while the zinc coating remains firmly bonded to the substrate.
- S250GD Galvanized Steel supports cold forming and roll forming
- The material maintains coating integrity during bending
- Suitable for post-processing such as painting or powder coating
This flexibility significantly increases its application range.
Comparison with Other Galvanized Steel Grades
When comparing S250GD Galvanized Steel with DX51D, the difference lies mainly in structural capability, as S250GD offers higher yield strength. Compared with S280GD, S250GD provides a slightly lower strength level but improved formability and cost balance. In comparison with S350GD, S250GD is more economical and easier to process, making it more suitable for medium-load structural applications.
These comparisons highlight the practical value of S250GD Galvanized Steel in projects that require reliable performance without unnecessary cost.
S250GD Galvanized Steel Applications
| Industry | Applications |
| Construction | Structural framing, roofing, cladding, wall panels, exterior facades, support beams |
| Automotive | Body panels, chassis, underbody parts, bumpers, doors, roof frames |
| Home Appliances | Washing machines, refrigerators, dishwashers, ovens, air conditioners, water heaters |
| Agriculture | Agricultural machinery, storage tanks, silos, farm equipment, fencing materials |
| Transportation | Railcars, trailers, truck beds, bus components, cargo containers |
| Manufacturing | Industrial shelving, workstations, factory equipment, structural components |
| Energy | Power transmission towers, electrical enclosures, wind turbine frames, solar panel structures |
GNEE STEEL provides S250GD Galvanized Steel with consistent quality, strict dimensional control, and reliable delivery. From raw material selection to final inspection, every step is carefully managed to ensure compliance with international standards. With flexible specifications, technical support, and professional service, GNEE STEEL helps customers achieve durable and cost-effective solutions. Clients are welcome to contact GNEE STEEL for product details, project consultation, and competitive quotations, establishing long-term cooperation based on trust and performance.
|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Ti |
|
Forcold Forming Chinese Standard |
DX51D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
DX52D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX53D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX54D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX56D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
DX57D+Z |
0.12 |
0.50 |
0.60 |
0.100 |
0.045 |
0.30 |
|
|
Forcold Forming Japanese Standard |
SGCC |
0.15 |
0.50 |
0.80 |
0.050 |
0.030 |
0.025 |
|
SGCD1 |
0.12 |
0.50 |
0.60 |
0.040 |
0.030 |
0.025 |
|
|
SGCD3 |
0.08 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
|
SGCD4 |
0.06 |
0.50 |
0.45 |
0.030 |
0.030 |
0.025 |
|
|
For Structure Japanese Standard |
SGC340 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.025 |
|
SGC400 |
0.25 |
0.50 |
1.70 |
0.200 |
0.035 |
0.150 |
|
|
SGC490 |
0.30 |
0.50 |
2.00 |
0.200 |
0.035 |
0.025 |
|
|
SGC510 |
0.30 |
0.50 |
2.50 |
0.200 |
0.035 |
0.025 |
|
|
For Structure AISI Standard |
S220GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
S250GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S280GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S320GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.025 |
|
|
S350GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |
|
|
S550GD+Z |
0.20 |
0.60 |
0.70 |
0.100 |
0.045 |
0.150 |
